Ncle exam questions - Study guides, Class notes & Summaries

NCLE Exam Questions With Vetrified Answers Latest Updated 2024 (GRADED) Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by the use of thea. profile analyzer b. shadow graph c. keratometer d. burton light - Answer a. profile analyzer Contact lens power should be specified ina. back vertex power b. sphero-cylinder power c. power in situ d. posterier apical radius - Answer a. back vertex power The slit-lamp illumination that gives an overall ...

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A refractive error that prevents the light rays from coming to a single focus on the retina because of different degrees of refraction in the various meridians of the eye. ~ Astigmatism Condition in which the steepest corneal meridian is in the horizontal plane. 0-30 degrees or 150-180 degrees ~ Against the rule Astigmatism Condition in which the steepest corneal meridian is in the vertical plane. 60-120 degrees ~ With the rule Astigmatism Regular astigmatism in which the princi...

NCLE COMPREHENSIVE PRACTICE EXAM QUESTIONS AND ANSWERS|STUDY GUIDE| LATEST UPDATE 2024 SCORED A+ and generally corresponds to the central corneal cap posterior apecal radius -Answer this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. steeper base curve -Answeroccurs when the posterior radius of curvature is decreased...

base curve - Answer refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - Answer the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - Answer lies between the base curve and the peripheral curve on the posterior lens surface, usually 0.70m...

NCLE Exam Questions and All Correct Answers Cones - Answer-The cells in the retina that are responsible for fine detail and color vision A concern with the use of extended wear lenses is: - Answer-Polymegathism ___________________ is a contraindication for fitting contact lenses? - Answer-Anesthetic cornea A protein found in the tear film that is a potent germ killer is: - Answer-Lysozyme Anisocoria - Answer-Unequal pupil size Ciliary processes - Answer-Responsible for the majo...

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NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ( NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (

What is the thickest layer of the cornea? - Answer stroma Which corneal layer controls the fluid content of the cornea? - Answer endothelium What is cornea edema? - Answer excess fluid in the stroma that can swell it and lead to loss of visual acuity What kind of contact lenses must be stabilized (not rotate) on the eye for good vision? - Answer toric contact lenses Concentric vs Aspheric Multifocal Lens Design - Answer aspheric multifocal lenses have a gradual change ...

Accommodation - The ability of the crystalline lens to adjust power to provide retinal focus of images of objects closer than optical infinity annular bifocal contact - A lens with distance portion ground into the center of the lens and the near portion ground into the periphery Anterior Bevel/CN Beve - Angulation applied to the anterior surface of a lens to reduce edge Thickness Anterior Optical Zone (AOZ) - Diameter of the anterior power curve Aphakia - Absence of the crystalline lens. ...